DOHA, Qatar (AP) - Radek Stepanek, a qualifier from the Czech Republic, upset second-seeded Goran Ivanisevic 7-6 (7-4), 6-2 Tuesday in the second round of the Qatar Open for his first ATP Tour victory.

Stepanek, 23, looked at ease throughout the match. He broke in the second, fourth and eighth games of the season set.

``I waited for Goran to make mistakes, which he did,'' Stepanek said. ``I played my natural game. I am very happy to have made it to the quarterfinals.''